From sewage plants and landfills, drugs make their way into streams, rivers, lakes, seawater, and even into drinking water. Currently, however, the EPA does not regulate even a single human pharmaceutical in drinking water.

Another summer of record-breaking drought and heat has seized the West, setting off costly and destructive wildfires from Southern California, where a single blaze burned more than 30,000 acres of national forest east of Los Angeles, to Montana, where a fast-moving fire in Glacier National Park recently forced tourists to flee hotels, campgrounds and vehicles.

The simple fact is that pollution is no respecter of state borders, whether particulates in the air or mercury in the water. Earlier this month, a coalition of Republicans and coal-state Democrats in the House of Representatives voted to roll back the EPA's regulations on coal ash.

Bill Nye is a glutton for punishment, apparently. The Internet’s favorite Science Guy (well, perhaps second favorite since Neil DeGrasse Tyson took the time to explain the ending of Interstellar to us mere mortals) engaged in the ultimate Internet trial-by-fire—reading mean tweets about himself on camera.

Cecil the Zimbabwean lion has gained more worldwide prominence in death than it ever did during its lifetime. Since Simba of “The Lion King” fame, no other lion has captured the world’s imagination in this way. The brutal killing of Cecil by Walter Palmer, an American dentist, has horrified and outraged people around the world. Palmer has been the subject of much criticism in the media.

In this week’s trip beyond the headlines, Peter Dykstra tells host Steve Curwood about how limiting coal power plant emissions has led to lower mercury levels in bluefish and describes a new certification program that encourages marijuana growers to use environmentally-friendly, organic farming practices.

Suppose a group of scientists wanted to dump 100 tons of iron dust into the sea based on a controversial climate-change theory that the ore might spur the growth of plankton that absorb carbon dioxide. They can — one businessman did that in 2012.

Burgeoning population, increasing vehicular traffic, mushrooming hotels and industrial pollution continue to pose a serious threat to the Golden Temple which was earlier too robbed of its sheen due to these factors, forcing the SGPC to replace its gold-plated domes in 1999.

A new agreement signed by pipeline giant TransCanada with a group representing Ontario First Nations has raised alarms that the oil and gas industry is trying to buy social license in order to build its Energy East pipeline.

Almost all of the Republican presidential candidates are skeptical of the idea that climate change is occurring, humans have a contributing role, and something should be done to reverse it. Here’s a look at their past public statements.

Canada is one micro-step closer to a federal ban on microbeads. The Conservative government said Thursday it is proposing to add microbeads to the list of toxic substances under the Canadian Environmental Protection Act.

On April 19, 1979, the United States Environmental Protection Agency announced a five-year plan to phase out nearly all uses of polychlorinated biphenyls, or PCBs. The synthetic chemicals had been used in the manufacture of electronic equipment, motor oil, adhesive tapes, paint, and many other products.

Heavy rainfall in northern Vietnam has killed at least 17 people and inundated major coal mines, causing concern among environmentalists about the contamination of the nation's top tourist attraction and World Heritage-listed Ha Long Bay.

The GMO giant offered journalists a rare, if curated, glimpse behind the curtain. Here’s what they saw. On a recent Sunday evening, Lisa Marsh Ryerson, president of the AARP Foundation, gave what seemed like a benign lecture to 20 journalists in a St. Louis conference room